...ja tutkittiin Punkaharjun arboretumin puukasoja. Kuvassa Gergely Várkonyi.
Creator:
Juho Paukkunen
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith